CÁC BN GIÚP MIK NHA!!!!! Mik đag gấp 1. Tính (x-4).(x+6)-x.(x+2) 2. Tìm x a) (3.x-2).(2.x+4) = 6.x^2-3 b) 3.x (x+2) -.(3.x-2).(x-4) = 9 c) x.(x-6) - 2 = (x-4).(x+2) d) (x^2-3x)(2x-5)-(x-2)(2x^2-7x) = 12 3. CM biểu thức ko phụ thuộc biến X a) (3.x-2).(3.x+2) - 9.(x^2-3) b) (x-4).(x^2+4.x+16) - x^2.(x-3) - 3.x^2

Giúp hộ em câu này thank Phân tích đa thức thành nhân tử Áp dụng 5 cách đầu

Exercise : đổi đại từ sang hình thức gián tiếp 1. Nam said, “I was at school after 7 o’clock last night.”  2. Thu said, “I will have a meeting next week.”  3. Phong said, “My parents are very proud of my good marks”  4. The teacher said to us “your homework must be done carefully”  5. Her brother said to her “You can go to the movie with your friend”  6. Hoa said, “I may visit my parents in the summer”  7. The teacher said to us, “you can collect old books for the poor students”  8. She said to me, “your mother doesn’t buy this book”  9. The boys said, “We have to try our best to win the match”  10. Her classmates said “Lan is the most intelligent girl in our class” 11. They told us “Our friends will get the award for their highest scores”  12. He said “I will go to school by bus tomorrow”  13. Phong said “I need to learn more vocabulary”  14. He told her “You can use my computer today”  15. Mai said “I cannot go to the movies with you, Nam”  16. Tom said “I have already had breakfast, so I am not hungry”  17. I said to Nick “You don’t have to do it right now. You can do it tomorrow”  18. He said to them “Your supervisor will be here in five minutes.”  19. She said to me “I want to lend you my bike.”  20. Mother said to me “you have to clean your room today.” giải hộ vs ạ

giúp mình bài này với mình đang cần gấp

Bình đi xe đạp với vận tốc 15km/h từ nhà đến bến xe mất nửa giờ . Hỏi nhà Bình cách bến xe bao nhiêu km ?

y=cos3x phần x. xác định chẵn lẻ

V. Supply the correct form of the words in brackets. 1. Rossie has a large ______________ (collect)of dolls. 2. A______________ is someone who enjoys watching birds. (birdwatch) 3. My sister’s hobby is ______________.She took a lot of nice photos. (photo) 4. I find woodcarving ______________ because it’s a creative activity. (interest) 5. ______________ eggshells are unique gifts for family and friends. (carve) 6. A hobby is an ______________ that you do for pleasure. (act) 7. I think collecting glass bottles is ______________. (usual) 8. Susan is very ______________ and she paints very well. (create)

IV. Complete the sentences with the correct form or tense of the verb play, go, do or collect. 1. He ________ tennis with his father every Sunday. 2. We ________ camping in Dam Sen Park next Saturday. 3. ________ you ________ coins some day in the future? 4. Do you want ________ a jigsaw puzzle with me? 5. I enjoy________ cycling at the weekend. 6. My uncle ________ karate when he was young. 7. The children ________ volleyball on the beach at the moment. 8. When I’m waiting for the train, I usually ________ crosswords. 9. She dislikes ________ chess because she finds it boring. 10. I ________ books since I was ten years old.

Gấp! |5x|-3x=2 x^2= x^5 (x-5)^2= (1-3x)^2 3^n × 3^-1+ 5× 3^n-1= 162 Mình hứa sẽ vote 5*

Gấp! |5x|-3x=2 x^2= x^5 (x-5)^2= (1-3x)^2 3^n × 3^-1+ 5× 3^n-1= 162 Mình hứa sẽ vote 5*